# Questions Asked onMarch 27, 2011

use >

3. ## Linguistics

1) (A) Mary murdered the platypus (B) Mary killed something Is the answer: (a) entails (b) OR (a) presupposes (b) OR both 2) (A) John is taller than Mary (B) Mary is shorter than John Is the answer: (a) entails (b) OR (a) presupposes (b) OR both

4. ## maths

If Sin2x=3sin2y then prove: 2tan(x-y)= tan(x+y)

5. ## english

what does this quote mean "We'll have to tighten the belt a little bit and make due"

6. ## computer science

When $1000 is deposit at 5% simple interest, the amount grows by$50 each year. When money is invested at 5% compound interest, then the amount at the end of each year is 1.05 times the amount at the beginning of the year. Write a program to display the

7. ## microsoft exel help

Suppose that cell B2 contains the budgeted amount and cell C2 contains the actual amount. Write the formula (including the IF conditions) that would insert the word under if the actual amount was less than the budgeted amount and insert the word over if

8. ## human services

What are some possible obstacles that are preventing resolution of unmet needs of those with disabilities?

9. ## Math

how will u write 27th March 2011 in 5letters without using numbers.

10. ## Physics

A spring with k=40.0 N/m is at the base of a frictionless 30.0 degree inclined plane. A 0.50-kg object is pressed against the spring, compressing it 0.20m from its equilibrium position. The object is then released. If the object is not attatched to the

11. ## Physics

A motorist driving a 1200-kg car on level ground accelerates from 20.0 m/s to 30.0 m/s in a time of 5.0s. Neglecting friction and air resistance, determine the average mechanical power in watts the engine must supply during this time interval.

12. ## Biology

Sorry for reposting but I really need help with this question and I've waited several hours. What is the trigone of the bladder bounded by? a) top of fundus and uretal orifices b) major and minor calyces c) orifices of ejaculatory ducts and urethra d)

13. ## scince

what are the disadvantages of non aqueous titrations

14. ## physics

A block of mass 2kg slides down a plane having an inclination of ƒá=15.0„a . Ignore friction. The block starts from rest at the top of the incline and the length of the incline is 2.00m. The velocity of the block when it reaches the bottom of the

15. ## Visual Basic

The rule of 72 is use to make a quick estiment of the time required for prices to double due to inflation. If the inflation rate is (r)percent, then the rule of 72 estimates that prices will double in 72/r years. For instance, at an inflation rate of 6

16. ## physic

How long will a radio wave, with a wave length of 200 m takes to travel to and for the moon from the earth? (Distance of moon from earth = 3.9 x 108 m)

17. ## Maths

Whats the difference?count from 220 to 203 How many is that?

18. ## mechanics

A 5 Kg marble is fired vertically upward using a spring gun. The spring must be compressed 8.0cm if the marble is to just reach a target 20m above the marble’s position on the compressed spring. a) What is the change ∆U in the gravitational potential

19. ## mechanics

A 60 Kg skier leaves the end of a ski-jump ramp with a velocity of 24m/s directed 25° above the horizontal. Suppose that as a result of air drag the skier returns to the ground with a speed of 22 m/s, landing 14m vertically below the end of the ramp. From

20. ## Chemistry

A chemist mixes 100ml of H2O at 30 degrees Celsius and 56.0g of CaOin a calorimeter. The following reaction occurs" CaO(s) +H2O(l)--->Ca(OH)2(s) ΔH= -16.0 kcal/mol The heat capacity Ca(OH)2(s) is 19.2 cal/mol*degreeCelsius and the heat of vaporization of

21. ## math

define the concept of sampling error

22. ## computer sciece

The change in memory density with time can be described by B=19.97*10^10.1977(year 1960).If a straight line projection is mode using this equation, what will be the number of memory chips/bits in the year 2020?

23. ## computer/internet

LTE vs 3G and HSPA?

24. ## physics

what will happen if we suspend a brick with a newton metre in water

25. ## physics

what is the prarticle diagram for the thermite reaction?

26. ## math

the number of puppies is 3 more than twice the number of kittens in the canal. if there are k kitten in the canal write an algebra expression for the # of puppies in the canal

27. ## math

When a square piece of paper is folded in half vertically, the resulting rectangle has a perimeter of 39cm. In square centimeters, find the area of the original square piece of paper.

28. ## Human Relations

Which of the following steps will elicit a meaningful feedback from a passive person? A. confront the person. B. engage in a small talk to fill the uncomfortable empty pauses during a discussion. C. Set time limits. D. Ask close-ended questions. I think

29. ## Economics

“The strength of the GDP data only highlighted the diverging views between the dollar bulls, who predict that strong growth will support the currency, and the bears who warn that stronger growth will only serve to widen the current account deficit and

114. ## algebra

convert to decimal 8.93x10^7

5ã-1/1024

116. ## math

Consider the polynomial x^3 + 6x^2 + 3x - 10. Without dividing, or graphing, which two of (x+2), (x-2), (x+1), and (x-1) must be factors of the polynomial? Why/how do you know?

117. ## algebra

how to: graph, substitution, and elimination y=3x+4 -12x+4y=16

118. ## science

what might happen to pastry dough that doesn't include enough water?

119. ## Physics

With what minimum speed must you toss a 130 g ball straight up to hit the 12 m-high roof of the gymnasium if you release the ball 1.3 m above the ground? I already figured out the minimum speed, 14m/s I'm confused on the next part With what speed does the

120. ## math

Stanwood Builders has a development of new homes. There are five different floor plans, four exterior colors, and an option of either two-car or three-car garage. How many choices are possible for one home? A. 60 B. 40 C. 20

121. ## Social

Hi, I have to draw a cartoon 3-4 slides about capitalism and put like air bubbles with people talking. I was wondering if you have any ideas what the conversation could be about?

122. ## English

I included the five sentences I was most unsure of. Thank you for helping me. It's really urgent. 1) I was very proud of myself when I won a (the) regional roller-skating competition in 1998. (when I scored 4 goals one after the other/when I headed the

123. ## physics

in an experiment using Coulomb's apparatus, a sphere with a charge of 3.6 x 10^-8 C is 1.4 cm from a second sphere of unknown charge. The force between the spheres is 2.7 x 10^-2 N. What is the charge of the second sphere? I get 1.3 x 10^-4 C, but the

124. ## chemistry

what is the molarity of the Cl- ions at the stoichiometric point

152. ## geometry

ms. p gave us a ? that was a right angle triangle & 1 side was "15ft" and the other side was"9ft".then she told us the answer was "67ft" and she told us we had to figure out how she got the answer.

153. ## REBUS PUZZLES

I need help with some rebus puzzles please. T H R O U G H The letters TRUH are in Bold color. E OV RRAT D E

154. ## REBUS PUZZLES

These letters are written in large bold print. LIF Next puzzle: A bold diagonal line going from right to left.

155. ## English

Thank you very much. I forgot to include the following sentences. 1) Refer to situations in which robotic planes have proved to be useful. 2) Which scientific methods does forensic science adopt to catch potential criminals? 3) What/Which skills are

156. ## physics

Muons are elementary particles that have a very short lifetime of about two millionth of a second (when at rest). They can be created in the upper atmosphere (at an altitude of say 10,000 meters) by cosmic rays, in which case they travel towards the

157. ## physics

Your spacecraft is in a circular, geostationary orbit around earth and you would like to fly to the moon. Draw a suitable Hohmann transfer orbit that will get you there. How long does the journey take? (Neglect the gravitational fields of the moon and the

158. ## English

I left out these last three sentences. I hope you can have a look at them, too. 1) I think you should tell Paul's parents that he steals things. You should talk to him before reporting him to the police. 2) I think you should wait till your birthday or

159. ## physics

a bullet was fired at a target 50m away with a muzzle velocity of 300m/s. if the barrel of the gun was horizontal, how far below the level of the gun did the bullet strike th target?

160. ## rebus puzzle

I need a good rebus sit to help sove some rebus puzzles. thanks!

161. ## calculus

find the area of one of the regions bounded by the curves y=sin x and y=cos x

162. ## math

simplify and state the restrictions of a^2- 9b^2 / 5a^2-11ab-12b^2

164. ## Physics

the weight of an object changed by =25.0% the object's final weight was 2.5 grams. What is it's inital weight

165. ## economics

What is the face value of a municipal bond that has a bond (or coupon) interest rate of 6% per year and makes interest payments of 578 dollars every 1 months?

166. ## English

Can you please check these last questions. Thank you very much!! 1) What are the most dominant themes in Shakespeare’s Macbeth? 2) How does Shakespeare define True Love in his famous sonnet The Marriage of true Minds? 3) What do the three witches stand

167. ## Social

Hi, I'm making a cartoon about capitalism for my class (3-4 slides). The concept I want to talk about is how capitalism allows people to own land and invest in their own capital. I'm not sure what the air bubbles to say, since it says should be short yet

An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations? These are my choices. I have to have one of these as the answer. I am stuck. My answer was B. 10!, but I am still not sure. Can

169. ## accounting

P20-2A For the year ended December 31, 2010, the job cost sheets of DeVoe Company contained the following data. Job Number Explanation Direct Materials Direct Labor Manufacturing Overhead Total Costs 7640 Balance 1/1 $25,000$24,000 $28,800$77,800 Current

170. ## physics

You are driving a car with a power output of 56,000 Watts. How many seconds will it take to go from 0 m/s to 27 m/s?

171. ## English

1. What do you not like doing? 2. What don't you like doing? 3. What do you hate doing? 4. What do you dislike doing? -I don't like doing computer games. (Which questions are commonly used? Are all grammatical?)

172. ## Chemistry

The calcium in a 150 mL sample of water from the Ogeechee River at a location near Savannah was determined by precipitating Ca2+ as CaC2O4.H2O (FW=146.115 g/mol). The precipitate was collected by filtration, washed and then ignited [turning the CaC2O4.H2O

173. ## Math

Just for reference √ = square root Evaluate the following expressions: a) 3√12 - 7√75 b) 1 3/5 + 4/-15 c) -3 + (-5) +3 (-5) d) 3y+6/4 - y-3/2 = 3y/4

174. ## chemistry

What chemical reaction is responsible for the endpoint observed when the NH3/NH4Cl buffer solution is titrated with HCl? Write a blanced ionic equation for the reaction.

175. ## Physics

A closed organ pipe 0.8 m long has a diameter of 7.0 cm. The air in the church is 15oC. What is the fundamental frequency? If the heat is turned up to 20oC, what is the new fundamental frequency?

176. ## algebra

Write a function rule for the area of a triangle whose base is 4 ft more than the height. What is the area of the triangle when its height is 6 ft?

177. ## math

If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a decrease of four times?

178. ## chem 100

how many moles of magnesium hydroxide are needed theoretically to neutralize 2.4 moles of hydrochloric acid?

179. ## UOP

help solving 4c divided by 2c minus 4 plus 2c divided by 4c minus 8

180. ## Chemisrty

I need help on what exactly to put on 10-12 slides on a pwoerpoint of anders celsius?? (for 2m)

181. ## algebra

graph 3x+5y= 15 using the slope and y-intercept.

182. ## chemistry

This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2? also, in a "effect of comlex ion formaiton on the solubility of NiCO3" lab": If HCl(aq) were added to

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?

184. ## math

(x/4−1/x)/(1/2x+1/4)

185. ## Chemistry

At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)\ If all four gases had initial concentrations of 0.550 M, calculate the equilibrium concentrations of the gases.

186. ## French

i need help on my french test tomorrow... i have no idea what to study... please help me!!

187. ## chemistry

how do you calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2?

188. ## physics

the polar-orbiting environmental satellites (POES) and some military satellites orbit at a much lower level in order to obtain more detailed information. POES complete an Earth orbit 14.1 times per day. What are the orbital speed and the altitude of POES?

at the end of every 3 months, Rita deposits $100 into an account that pays 5% compounded quarterly. After 5 yrs, she puts the accumulated amount into a certificate of deposit paying 8.5% compounded semiannually for 1 yr. when this certificate matures, how asked by ash 190. ## math trivia larry has 3 children. the product of their ages is 36 and the sum of their ages wont help you. the youngest is blonde. how old are the children? this is a "fun" math activity? help!! :) asked by dawn 191. ## chemistry What is the percent yield of the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2 if 40. g of water are actually recovered? asked by megan 192. ## eth 125 week 1 Select one of the following subordinate groups from Ch. 1 of the text, or, because the chapter does not list all subordinate groups, you may select any other group that has a documented history in the United States. Do not select your own ethnic group! o asked by latisha 193. ## Chemistry What is the chemical formula for this compound? sodium diamminetetrachloroplatinate(IV) asked by George 194. ## algebra y^4-14y^3+49y^2 y^2(y^2-14y+49) y^2(y-7)^2 if you solve a problem like this ^ then how do you solve this: x^2-4x+4 ????? asked by gena 195. ## chemistry If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution? asked by leilah 196. ## Physics A radioactive nucleus is at rest when it spontaneously decays by emitting an electron and neutrino (as shown in the figure below ). The momentum of the electron is 8.11 x 10−19 kg·m/s and it is directed at right angles to that of the neutrino. The asked by Tom 197. ## Math How do you know how many units are spread between the intervals? (For instance, 120-129, 130-139, units spread by 10) How would we answer this question? Thirty AA batteries were tested to determine how long they would last. The results, to the nearest asked by Jacob 198. ## geometry a rectangle and an equilateral triangle have the same perimeter the length of the rectangle is 4 times its width the length of each side of the triangle is 55 centimeters what is the length,in centimeter of the triangle asked by tamara 199. ## chem im studying for a test and i have no idea where to even start for this practice problem..?? a 0.15M(molarity im assuming)solution of BrCl2 contains.. a).15MBr2+ ions and .30M Cl- ions b).30MBr2+ ions and .15M Cl- ions c).15MBr2+ ions and .15M Cl- ions asked by hannah 200. ## Geometry What is the equation that passes through the points (-4,0) and (8,12) A: y=6/5x+4 B: y=x+4 C: y=8/3x+4 D: y=x-4 asked by Dartha 201. ## calculus use antidifferentiation.... and find (1/the square root of 2x)dx asked by Anonymous 202. ## english Janet left fingerprints on the glass, the detectives were able to solve the crime asked by tammy 203. ## math prove that a triangle with the sides given by x^2 + 1, x^2 – 1, and 2x will always be a right triangle for x > 1, using pythagorean theorem asked by Anonymous 204. ## physics A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water. asked by aaron 205. ## Biology - GI Tract I have a question about Vit B12. Where is it absorbed in the body? In lecture, the professor stated once that it's absorbed in the small intestine and then later stated it was the large intestine. I'm thinking small intestine makes more sense but I'd like asked by Lena 206. ## physics The density of a solid ball with a mass of 231 g and a volume of 110 cm^3 is ____ g/cm^3. asked by aaron 207. ## chemistry why must a clean rod be used each time? asked by fel 208. ## chemistry Does the solution's acidity increase or decrease as potassium hydroxide is added to the solution? Explain your answer. asked by Tasha 209. ## Geometry :] What is the equation for a line that passes through the points (2,1) and (-4,4) A: y=-1/2x+2 b: y=1/2x+2 c: y=-1/2x-2 d: y=1/2x-2 asked by Dartha 210. ## math What is the union of x and y? X. (3,6,9) Y. (5,10,15) asked by kyle 211. ## MAth Im stuck on question can anyone help me ? Im stuck on this question can anyone help me ? I thought it was b but that's wrong Which situation can be modeled by tossing a coin 3 times A)choosing which one of sixteen teams will win a tournament? B)picking one of six math teacher, C)decide which asked by Mikah 212. ## Physics A particle with a mass of 2.0×10−5 kg and a charge of +2.0 microC is released in a (parallel plate) uniform horizontal electric field of 13 N/C. If the plates are 5.6 cm on each side, how much charge is on each? (in pC) From what I have so far, the asked by Ben 213. ## math you have a$5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt? asked by ash 214. ## Calculus. Given the function f with the restricted domain, find the points at which the tangent line is horizontal. f(x)=2sec(x)-tan(x) Domain: [-pi/2,pi/2] * I got (pi/6, square root of 3), but I am not sure if that is right, or if there is another point. asked by Ashley 215. ## chemistry plan and design an experiment which would allow you to find the percentage by mass of copper in a sample of impure copper asked by kim 216. ## social studies The knights role and fall of feudalism asked by Mary 217. ## Calculus. What is the derivative of [(3t+4)/(6t-7)]^3? asked by Matt 218. ## marketing 47) When segmenting broad product-markets, cost considerations tend A. To lead to more aggregating. B. To lead to a large number of small, but very homogeneous, product-market segments. C. To be unimportant as long as the segmenting dimensions are asked by Anonymous 219. ## MATH What tool do i use to find the measurement of the classroom floor. asked by Keisha 220. ## chemistry lab question: explain why different masses of precipitate were obtained for test tube IV and V? asked by ekauwen 221. ## Stoichiometry if 3.5 mol TiCl4 reacts with 4.5 mol O2, which is the limiting reactant? asked by Kathy 222. ## Geometry :( What is the equation for a line that passes through the points (-3,-3) and (6,15)??? A: y=-2x+9 B:y=-2x-3 C:y=-2x+3 D:y=-2x-9 Please please help and thanks :) asked by Makenzie;) 223. ## rebus puzzle What do the letters LIF mean They are written large and I need to solve for a rebus puzzle? asked by kely 224. ## algebra rebus puzzle What does a diagonal line going from right to left mean? This is a rebus puzzle. asked by kely 225. ## rebus T H R O U G H The TRUG are in bold print. Solve ffor a rebus puzzle. asked by kely 226. ## PreCalc The sun rises at 6 AM and is directly overhead at noon, estimate the time (hour and minutes) when a 34-foot tree will have a 14-foot shadow. asked by Sam 227. ## Math A 30-m tall flag pole and its shadow form the sides of a right triangle. On this particular day, the sun rises at 6 AM and sets at 6 PM. At what time of the morning (to the nearest minute) will the length of the shadow be exactly 40 m? (Hint: determine the asked by Cara 228. ## science what is the indepenpent variable when i make a home made lava lamp asked by iliana 229. ## economics Consider an economy with the production function L^(1/3) a) Derive the Labor demand Curve b) If Labor supply curve is L^s= (w/p), calculate the equilibrium levels of real wage, labor and output. c) Assume M^s= 45 and k=3 . What is the equation of the asked by josh 230. ## Chemistry I'm trying to calculate the enthalpy of the reaction Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) however I cannot find the enthalpy of the compound MgCl2 (aq) and I cannot calculate the total enthalpy without it asked by Kirstie 231. ## Biology- GI Tract I have a question regarding the gastric wall. Do the epithelial cells of the mucosa secrete substances directly into the lumen or do they secrete into the gastric pits then then from there the substances go into the lumen? asked by Lena 232. ## physics help At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar asked by sarah 233. ## Reading Experienced superhighway drivers know the importance of staying behind or ahead of what some people call wolf packs –- several fast-moving vehicles bunched together. Wolf-packing can be the cause of high-speed fatalities. This passage was probably asked by Arlynn 234. ## physics The terminal velocity of a 4×10−5 {\rm kg} raindrop is about 9 {\rm m/s}. Assuming a drag force F_{\rm{D}} = - bv, Assuming a drag force determine the value of the constant b. asked by aidan 235. ## Biology - The Stomach When referring to the lumen of the stomach is that just the opening. As in where are the HCl is and where your food enters? I googled the definition of lumen and it says inside space. I'm just not too clear on what it really means. Thanks. asked by Lena 236. ## science Eukaryotes have a membrane bound nucleus that contains ______________ genetic material asked by Anonymous 237. ## chemistry A 20.1 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.060 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 4.90. What is the Ka of HX? asked by Anonymous 238. ## Chemistry the type of reaction in a voltaic cell is best described as 1.spontaneous oxidation reaction only 2.nonspontaneous oxidation reaction only 3.spontaneous oxidation-reduction reaction 4.nonspontaneous oxidation-reduction reaction i know its spontaneous, but asked by lisa 239. ## math pivot the system about the element in row 2, column 1: -5 5 l -7 10 4 l 4 asked by Leah 240. ## Math how do i solve 2q/(2q+3)-2q/(2q-3)=1 asked by Marylyn 241. ## Math lnx+ln(x+3)=2 asked by Laura Grace 242. ## Math A normal cake is divided into the maximum number of pieces, p, by c slices. When c = 1, 2, 3, 4, 5, and 6, the cake is divided into 2, 4, 8, 15, 26, and 42 slices respectively. What is the maximum number of pieces into which the cake can be divided when it asked by Hermione 243. ## Pre-Calc 300=5000^e*.3x asked by Linda 244. ## Math ln(x+3) + ln(x+4) = 3ln2 asked by Connor 245. ## History Were Athen boys forced to serve in the army? asked by Ann 246. ## math Of the 400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the United States. One-third of the family medicine doctors were not from the united states. What is the probability that randomly selected asked by Freakafreak out, please help 247. ## Please help. Thank you! There are 6 people in a gardening club. Each gardener orders seeds from a list of 11 different types of available seeds. What is the probability that at least 2 gardeners order the same type of seeds? asked by Freakafreak out, please help 248. ## Calculus What is the limit of: -x^5+2x^4-x^2+1? asked by Deanna 249. ## math Ben rolls a standard number cube (sides labeled with numbers 1 through 6). Find the probability that Ben rolls a number greater than 2 or an even number. asked by please help...thank you 250. ## MAth 1/2ln(x+3)-lnx=0 asked by Meredith 251. ## algebra II Find the payment necessary to amortize the loan. 11)$ 1500; 6% compounded annually; 7 annual payments 11) _____ A) $271.33 B)$ 241.55 C) $305.05 D)$ 268.70

what is an equation?

what is an equation?

254. ## Math

A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs.

255. ## lab questions (chemistry)

why must not the condensed water drip into the flask?

256. ## Math

A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs. b. Find the population of frogs after 5 years.

257. ## Chemistry

In the classroom, we reacted Mg(s) + 2HCl -> MgCl2(aq) + H2 (g) (0.31 g of Mg(s), and 99.46 g of HCl) Initial temp. = 22.5 celsius, max. temp. 36.0 celsius and MgO(s) + 2HCl -> MgCl2(aq) + H2(g) (1.00 g of MgO(s) and 97.71 g of HCl) Initial temp. 22.0

258. ## french

Hi, if I want to say: I will go to China, Greece, and Egypt. ...would this be correct?: J'irai en Chine, la Grece, et l'Egypte. Or would I just list them? Thanks!